Female fish have pectoral fin base, dark or colored blackish, the color of female fish chin whitish or slightly brown, if placed on the floor of the female fish did not show any reaction. Should have 3 ~ 7 years old.

Male parentMale fish have fin base colored or whitish light, have a yellow chin, thicker than the female and panhandle. Male parent when placed on the floor or the ground will show the reaction in a way to lift the base of the tail fin above.

Based on the shape, carp fish were divided into two, namely:1) Gurame goose (soang), its features include: body relatively long, relatively broad scales. Size that can be achieved weight 8 kg, length 65 cm.2) Gurame Japan, among other characteristics; relatively short bodies and smaller scales. Size achieved by only 45 cm with a weight of less than 4.5 kg.Meanwhile, if seen from the color scales, there are black carp, white and striped.